大象版科学三年级下册《房子的变迁》课件

单击此处编辑母版标题样式,编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,“,”,单击此处编辑母版标题样式,编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,“,”,单击此处编辑母版标题样式,编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,编辑母版文本样式,第二级,第三级,第四级,第五级,单击此处编辑母版标题样式,编辑母版文本样式,第二级,第三级,第四级,第五级,单击此处编辑母版标题样式,编辑母版文本样式,第二级,第三级,第四级,第五级,1.,房子的变迁,大象版,科学,三年级下册,第一单元 小小建筑师,1.房子的变迁大象版科学三年级下册第一单元 小小,同学们，古代的房子可跟现在的不一样，你们想知道是怎么变成今天的高楼大厦吗？,我们一起去参加建筑博物馆吧！,同学们，古代的房子可跟现在的不一样，你们想知道是怎么变成今天,原始馆,古代馆,现代馆,原始馆古代馆现代馆,原始馆,原始人的“巢居”和“穴居”,原始馆原始人的“巢居”和“穴居”,大象版科学三年级下册房子的变迁课件,问题,1.,原始人住在哪里？,问题,2,：原始人的房屋用到什么材料？,问题1.原始人住在哪里？问题2：原始人的房屋用到什么材料？,问题,1.,原始人住在哪里？,问题,2,：原始人的房屋用到什么材料？,山洞（巢穴），树洞（穴巢）,草、木、土、石,问题1.原始人住在哪里？问题2：原始人的房屋用到什么材料？山,大象版科学三年级下册房子的变迁课件,问题：古代人建造的房子用到哪些材料？,砖、瓦、木头,问题：古代人建造的房子用到哪些材料？砖、瓦、木头,大象版科学三年级下册房子的变迁课件,问题：现代的房屋用到哪些材料？,混凝土、钢筋、玻璃,问题：现代的房屋用到哪些材料？混凝土、钢筋、玻璃,从古到今，人类的房屋发生了怎样的变化？它们又有什么共同之处呢？,小结：,从古到今，人类的房屋发生了怎样的变化？它们又有什么共同之处呢,房子的变迁,知识点梳理,一、房屋的材料,时代,主要材料,原始的房屋,草、木、石头,古代的房屋,砖、瓦、树木,现代的房屋,钢筋、水泥、混凝土,天然材料：,草、木、石头、树木,人造材料：,砖、瓦、钢筋、水泥、混凝土,二、设计未来的房子,（设计好自己保存，暂不提交）,房子的变迁知识点梳理一、房屋的材料 时代主要材料原,三字经,三字经,与,百家姓,千字文,并称三大国学启蒙读物。它内容广泛，涵盖了历史、天文、地理、道德以及一些民间传说，所谓“熟读,三字经,，可知千古事”。,三字经,大象版科学三年级下册房子的变迁课件,我,会,写,之,zh,zn,zh,总 之,zh jin,之 间,一年之计在于春,一日之计在于晨,.,我会写之zhzn zhzh jin一年之计在于春,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,课堂小结,课文向我们介绍了燕子低飞、鱼游水面、蚂蚁搬家都是夏天将要下雨的先兆，激发了同学们发现和探索大自然奥秘的兴趣。,状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,拓展延伸,能预报天气的动物：,傍晚鸡不入笼是天将下雨的征兆；,黄鹂鸟发出类似猫叫的声音表示即将下雨；,狗泡水，要下雨,状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,随堂练习,1.,读拼音，写词语。,y zh zu bin,（）（）,ji kui ho m,（）（）,一直,左边,加快,好吗,状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路,大象版科学三年级下册房子的变迁课件,